AHU Preventative Maintenance Checklist

Audit

Air Handling Unit Maintenance General Condition

Clean or replace filters, bag filters, and pre filters if they are dirty or past its service date

Check the unit for excess vibration or noise

Degrease then lubricate motor, blower, and fan shaft bearings

Condition of V belts

Check pulleys, motor belts, and V belts to make sure they are aligned and working properly

Tighten set screws

Check heating and cooling coils are working

Check heating and cooling coils to ensure they are straight and secure

Inspect electrical wiring and controls

Are any of the heating and cooling coils loose?

Is the ductwork free from dirt, dust, and debris?

Is there any damage to the wiring or coils?

Are the insulation and vapor barriers intact and working?

Is there any evidence of rust and corrosion within or on the outside of the unit?

Drain and clean the condensation pan

Is the unit's bypass valve opening and closing properly?

Is the evaporator coil drain clogged?

Are the necessary guards, support, and mounting bolts all present and properly secured?

Date of Inspection

Name & Signature of Inspector

AHU Maintenance Checklist